Question

This needs to be in C++

Given a matrix, clockwise-rotate elements in it. Please add the code to problem3.h and problem3.cpp, provided. Input 4 Output: 1 8 For 4*4 matrix Input: 4 7 9 10 11 12 13 14 15 16 Output: 9 10 6 4 13 11 7 8 14 15 16 12

Problem3.cpp

Problem3.h:

Answer 1

/*
 *  Problem3.h file
 */

#ifndef LAB3_PROBLEM3
#define LAB3_PROBLEM3

#define MAX 100

void rotatematrix(int m, int n, int mat[][MAX]);

#endif

/*  problem3.h file ends  */



/*
 *  Problem3.cpp
 */

#include "problem3.h"

void rotatematrix(int m, int n, int mat[][MAX]) {

  int M = m, N = n;
  int row = 0, col = 0;
  int prev, curr;

  while (row < m && col < n)
  {

    if (row + 1 == m || col + 1 == n)
      break;

    prev = mat[row + 1][col];

    for (int i = col; i < n; i++)
    {
      curr = mat[row][i];
      mat[row][i] = prev;
      prev = curr;
    }
    row++;

    for (int i = row; i < m; i++)
    {
      curr = mat[i][n-1];
      mat[i][n-1] = prev;
      prev = curr;
    }
    n--;

    if (row < m)
    {
      for (int i = n-1; i >= col; i--)
      {
        curr = mat[m-1][i];
        mat[m-1][i] = prev;
        prev = curr;
      }
    }
    m--;

    if (col < n)
    {
      for (int i = m-1; i >= row; i--)
      {
        curr = mat[i][col];
        mat[i][col] = prev;
        prev = curr;
      }
    }
    col++;
  }

  // Print rotated matrix
  for (int i = 0; i < M; i++)
  {
    for (int j = 0; j < N; j++)
      cout << mat[i][j] << "\t";
    cout << endl;
  }

}
/*  Probelm3.cpp file ends  */



/*
 *  Main.cpp file
 */

#include <iostream>
using namespace std;

#include "problem3.h"

int main() 
{
   int mat[][MAX] = { {1,  2,  3,  4}, 
                    {5,  6,  7,  8}, 
                        {9,  10, 11, 12}, 
                        {13, 14, 15, 16}   };

  rotatematrix(4, 4, mat); 
    
   return 0; 
}
/*  Main.cpp file ends  */

@imtusharsharma/Runny TreasuredScreenscraper C No description share 38 repl talk my repls student learn/teach notifications imtushars... FilesD : probiern3.cpp פ saved 1 include "problem3.h clang version 6.0.0-lubuntu2 (taga/RELEASE_600/final) 5 1 23 9 10 6 4 13 11 7 8 14 15 16 12 main.cpp 3 void rotatematrix(int m, int n, int mat[MAX]) int M m, N - n; nt ro-e, col- int prev, curr; problem3h while (row <m &&col n) 10 12 13 14 15 16 17 18 19 20 21 break; prev mat[rou + 1][col); for (int i - col; i<n; i++) curr = mat[row][i]; mat [row][i] -prev; prev-curr; row+t 24 25 26 27 28 29 30 31 32 for (int i-row; i < m; i++) curr = mat [i][n-1); mat[i][n-1]-prev; prev-curr; n- if (rowm) 34 35 for (int í = n-1; i )s col ; i-)

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